Understanding the C0561-71 Code

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Traction control systems (TCS) are an integral part of modern vehicles. Designed to prevent wheel slip during acceleration, they ensure optimal tire-to-road contact, enhancing safety and performance. When it comes to vehicles manufactured by General Motors (GM) and Chevrolet (Chevy), a specific code associated with the traction control system is the C0561-71. This article delves deep into understanding what this code means, its implications, and potential solutions.

Understanding the C0561-71 Code

The C0561-71 code is a diagnostic trouble code (DTC) specific to the traction control system in GM and Chevy vehicles. When the vehicle’s computer detects an issue within the TCS, this code is triggered, signaling a possible malfunction.

Reasons for the C0561-71 Code Activation

There can be several reasons for the activation of the C0561-71 code. Some of the most common causes include:

  1. Faulty Wheel Speed Sensors: These sensors monitor the speed of each wheel. A malfunction can lead to incorrect readings, triggering the code.
  2. Damaged Wiring: Any damage to the wiring connected to the TCS can lead to this code’s activation.
  3. Faulty Traction Control Module: The module controls the entire TCS. If it’s faulty, it can lead to the code being triggered.
  4. Worn Out Brake Components: Since TCS works in tandem with the braking system, any issue with brake components can activate the code.

Symptoms of the C0561-71 Code

When the C0561-71 code is activated, the driver might observe the following symptoms:

  • Traction Control Light Illuminated: The most obvious sign is the TCS warning light on the dashboard.
  • Reduced Engine Power: The vehicle might go into a “limp mode” to prevent further damage.
  • Poor Acceleration: The vehicle might struggle to gain speed, especially on slippery surfaces.
  • Unusual Brake Behavior: The brakes might feel spongy or unresponsive.
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Diagnosing the C0561-71 Code

If your GM or Chevy vehicle displays the C0561-71 code, it’s crucial to diagnose the issue correctly. Here’s a step-by-step guide:

  1. Use an OBD-II Scanner: Connect the scanner to the vehicle’s diagnostic port to read the specific error.
  2. Check the Wheel Speed Sensors: Inspect each sensor for damages or corrosion.
  3. Inspect the Wiring: Look for any visible damages, wear, or tear in the wiring connected to the TCS.
  4. Test the Traction Control Module: Use specialized equipment to test the module’s functionality.
  5. Inspect Brake Components: Check the brake pads, rotors, and other components for wear.

Solving the C0561-71 Code Issue

Once the root cause of the C0561-71 code is identified, here’s how to address it:

  1. Replace Faulty Wheel Speed Sensors: If found defective, replace the sensors to ensure accurate readings.
  2. Repair or Replace Damaged Wiring: Ensure all connections are secure and free from damage.
  3. Replace the Traction Control Module: If tests indicate a faulty module, it’s best to replace it.
  4. Service the Brake System: If brake components are worn out, consider replacing them to ensure optimal performance.

Prevention Tips

To avoid facing the C0561-71 code issue in the future, consider these tips:

  • Regular Maintenance: Schedule regular check-ups for your vehicle, especially the TCS.
  • Avoid Harsh Driving Conditions: Driving on rough terrains can strain the TCS.
  • Be Mindful of Warning Lights: If the TCS light illuminates, address it immediately.


The C0561-71 code in GM and Chevy vehicles indicates a potential issue with the traction control system. By understanding its causes, symptoms, and solutions, drivers can ensure their vehicle’s safety and optimal performance. Regular maintenance and being proactive about potential issues can go a long way in preventing this code from being activated. Remember, your vehicle’s traction control system is a crucial component that ensures a safe driving experience, so never ignore any warning signs.

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Source 1: https://dashboardwarning.com/chevrolet/

Source 2: https://dashboardwarning.com/engine-codes/

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